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2nd semester test

vocab semester test

TermDefinition
Regeneration the ability of an organism to re-grow lost parts
Vertebrate an animal that has a backbone
Invertebrate an animal that does not have a backbone
Exoskeleton a waxy, waterproof outer shell or outer skeleton that protects the animal and helps prevent the evaporation of water
Endoskeleton an internal skeleton
Herbivore a consumer that eats on plants
Carnivore a consumer that eats only animals
Omnivore a consumer that eats both plants and animals
Producer an organism that can make its own food
Consumer an organism that obtains energy by feeding on other organisms
Decomposer an organism that breaks down chemicals from waste and dead organisms, and returns important materials to the soil and water
Classification the process of grouping things based on their similarities
Heredity the passing of traits from parents to offspring
Dominant an allele whose trait always shows up in the organism (bully)
Recessive an allele that is masked when a dominate allele is present (wimp)
Hybrid an organism that has two different alleles for a trait (a mixture
Purebred the offspring of many generations that have the same traits (BB, bb)
Probability a number that describes how likely it is an event will occur
Genotype an organism’s genetic makeup (Bb
Phenotype an organism’s physical appearance, or visible traits (blond hair)
Adaption a behavior or physical characteristic that allows an organism to survive or reproduce in its environment
Evolution the gradual change in a species over time
Extinction the disappearance of all members of a species from Earth
Virus a tiny, nonliving particle that invades and then reproduces inside a living cell
Science study of the natural world around us
Life Science the study of living things
Botany the study of plants
Ecology the study of how organisms interact with their environment
Zoology the study of animals
Photosynthesis the process in which some organisms use water along with sunlight and carbon dioxide to make their own food
Mutation a change in a gene or chromosomes
Cilia the hairlike projections on the outside of cells that move in a wavelike manner
Phloem the vascular tissue through which food moves in some plants
Xylem the vascular tissue through which water and nutrients move in some plants
Transpiration the process by which water is lost through a plant’s leaves
Created by: tclarken